Mariana da Fonseca explained

Mariana Meireles da Fonseca (10 February 1826 – 9 April 1905) was the wife of Deodoro da Fonseca, the 1st president of Brazil, and the first woman to serve as the first lady of the country, between 1889 and 1891.^{[1] [2]}

References

1. Web site: Redação . 2020-11-13 . Mariana da Fonseca, a primeira a assumir o posto de primeira-dama no país . 2024-11-26 . Aventuras na História . pt-br.
2. Web site: 2023-01-01 . Primeiras-damas: um histórico do papel das companheiras dos presidentes do país . 2024-11-26 . Marie Claire . pt-br.